Install and weld in inner C-pillar side wall - AR63.10-P-0700-03CW

WARNING: This page is about a different car, the 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Inner C-Pillar Side Wall Rivet Hole Areas

Courtesy of MERCEDES-BENZ USA

Set up side portal frame.
Observe set-up plans.
Install inner C-pillar side wall (1) with rear fender, fit and fasten with check and welding device and clamping pliers.
Remove rear fender.
Center punch rivet holes on inner C-pillar side wall (1) with BTR Usibor center punch, Ø 8 80 mm (area A).
Drill rivet holes on an inner C-pillar side wall (1) with BTR Usibor drill bit, Ø 6.7 mm (area A).
Drill Ø 6.7 mm rivet holes on inner C-pillar side wall (1) (areas B, C, D, E1 and F).
Remove check and welding device and inner C-pillar side wall (1).
Deburr rivet holes on inner C-pillar side wall (1) on both sides.
Coat insides of riveted joints with zinc dust paint.
Do not coat bonding surfaces with zinc dust paint to prevent adhesion problems (areas A, C and E 1).

Fig 2: Identifying Inner C-Pillar 2-Component Adhesive Areas
Courtesy of MERCEDES-BENZ USA
Apply 2-component adhesive to inner C-pillar (1) and body in crosshatched areas.
Observe pretreatment of bonding surfaces.

Refer to manufacturer specifications for adhesive curing and application times.

Fig 3: Identifying Inner C-Pillar Side Wall Rivet & Welding Areas
Courtesy of MERCEDES-BENZ USA
Install inner C-pillar side wall (1), fit with manual temporary fasteners and clamping pliers.
Rivet inner C-pillar side wall (1) with blind rivet, steel - steel, dia. 6.2x12, 5 (area A).
Rivet inner C-pillar side wall (1) with Polygrip flat/round head rivet, Ø 6.4x14 (areas B, C, D, E1 and F).
Inner C-pillar side wall (1) (areas G, H, I, J, K and L).
Inner C-pillar side wall (1) (area E 2).
Bend open sheet metal lug on outer rear wheelhouse (2) (arrow).
Inner C-pillar side wall (1) (areas M and N).
Inner C-pillar side wall (1) (area O).
Weld in intervals, allow to cool down in between; minimum heat distortion (area O).
Clean welds with round wire brush.
Remove grinding and drill shavings using wet/dry vacuum cleaner.

Fig 4: Identifying Inner C-Pillar Side Wall Welding Areas
Courtesy of MERCEDES-BENZ USA